481-X Stage I Cylinder Heads

The most sought after GM style engine platform that thrives in severe duty blown and turbo charged alcohol engine environments…Superior Strength, Durability and Performance, has propelled the AJPE 481-X to the winners circle.

AJPEStage I 481-X Cylinder Head

The 481-X cylinder head is in a class all its own. It is part of the purebred 481-X drag race engine designed by Alan Johnson and his AJPE technicians to be the ultimate wedge style engine package in turbo or supercharged alcohol applications. With its bullet proof valve train design and ease of serviceability makes this combination the choice of top level engine builders and racers throughout the world.